EP1052823A3 - Linéarisation d'amplification pour signaux modulés en phase et en amplitude - Google Patents

Linéarisation d'amplification pour signaux modulés en phase et en amplitude Download PDF

Info

Publication number
EP1052823A3
EP1052823A3 EP00110105A EP00110105A EP1052823A3 EP 1052823 A3 EP1052823 A3 EP 1052823A3 EP 00110105 A EP00110105 A EP 00110105A EP 00110105 A EP00110105 A EP 00110105A EP 1052823 A3 EP1052823 A3 EP 1052823A3
Authority
EP
European Patent Office
Prior art keywords
amplitude
phase
linearisation
amplification
signals modulated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP00110105A
Other languages
German (de)
English (en)
Other versions
EP1052823A2 (fr
Inventor
Jan Bollenbeck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1052823A2 publication Critical patent/EP1052823A2/fr
Publication of EP1052823A3 publication Critical patent/EP1052823A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
EP00110105A 1999-05-11 2000-05-09 Linéarisation d'amplification pour signaux modulés en phase et en amplitude Withdrawn EP1052823A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19921866 1999-05-11
DE19921866 1999-05-11

Publications (2)

Publication Number Publication Date
EP1052823A2 EP1052823A2 (fr) 2000-11-15
EP1052823A3 true EP1052823A3 (fr) 2003-11-19

Family

ID=7907809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00110105A Withdrawn EP1052823A3 (fr) 1999-05-11 2000-05-09 Linéarisation d'amplification pour signaux modulés en phase et en amplitude

Country Status (1)

Country Link
EP (1) EP1052823A3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101079600B (zh) * 2006-05-04 2012-01-25 西门子公司 用于高频放大器的调节器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10217381B4 (de) * 2002-04-18 2015-01-15 Qualcomm Incorporated Verfahren und Vorrichtung zur Verbesserung der Nachbarkanalaussendung eines Hauptverstärkers
US7869484B2 (en) 2005-05-23 2011-01-11 Mihai Margarit Transmitter apparatus with adaptive power and phase for CDMA applications

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023937A (en) * 1989-05-09 1991-06-11 Motorola, Inc. Transmitter with improved linear amplifier control
EP0441579A1 (fr) * 1990-02-08 1991-08-14 Gec-Marconi Limited Circuit pour réduire les distorsions dans un amplificateur de puissance à radiofréquence
EP0546693A1 (fr) * 1991-11-29 1993-06-16 Matsushita Electric Industrial Co., Ltd. Méthode de contrôle et circuit de contrôle pour un transmetteur
DE19630917C1 (de) * 1996-07-31 1998-03-26 Siemens Ag Phasen- und Frequenzdetektorschaltung
EP0998088A2 (fr) * 1998-10-27 2000-05-03 Nokia Mobile Phones Ltd. Modulateur à étages séparés de modulation en phase et en amplitude
WO2001065706A2 (fr) * 2000-02-29 2001-09-07 Marconi Communications Gmbh Dispositif pour lineariser un amplificateur haute frequence

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023937A (en) * 1989-05-09 1991-06-11 Motorola, Inc. Transmitter with improved linear amplifier control
EP0441579A1 (fr) * 1990-02-08 1991-08-14 Gec-Marconi Limited Circuit pour réduire les distorsions dans un amplificateur de puissance à radiofréquence
EP0546693A1 (fr) * 1991-11-29 1993-06-16 Matsushita Electric Industrial Co., Ltd. Méthode de contrôle et circuit de contrôle pour un transmetteur
DE19630917C1 (de) * 1996-07-31 1998-03-26 Siemens Ag Phasen- und Frequenzdetektorschaltung
EP0998088A2 (fr) * 1998-10-27 2000-05-03 Nokia Mobile Phones Ltd. Modulateur à étages séparés de modulation en phase et en amplitude
WO2001065706A2 (fr) * 2000-02-29 2001-09-07 Marconi Communications Gmbh Dispositif pour lineariser un amplificateur haute frequence

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SOWLATI T ET AL: "PHASE-CORRECTING FEEDBACK SYSTEM FOR CLASS E POWER AMPLIFIER", IEEE JOURNAL OF SOLID-STATE CIRCUITS, vol. 32, no. 4, 1 April 1997 (1997-04-01), IEEE, NEW YORK, US, pages 544 - 550, XP000659735, ISSN: 0018-9200 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101079600B (zh) * 2006-05-04 2012-01-25 西门子公司 用于高频放大器的调节器

Also Published As

Publication number Publication date
EP1052823A2 (fr) 2000-11-15

Similar Documents

Publication Publication Date Title
CN1871791B (zh) 移动终端内自动功率控制的参考信号的附加调整
CA2063403C (fr) Correction de gain/phase pour boucle de retroaction d'amplificateur lineaire
JP5886430B2 (ja) ブロードキャスト用などの無線周波数トランスミッタ、およびセルラー基地局
EP2285058A3 (fr) Transmetteurs numériques pour communication sans fil
US8798561B2 (en) Radio-frequency circuit having a transcoupling element
EP0993124A3 (fr) Transmetteur de signaux radio dans deux bandes de fréquences avec et sans limitation de puissance
JPH06505604A (ja) パワーアンプ前置ひずみ器の適応型位相制御
KR970013809A (ko) 무선기의 송신장치와 그것에 사용하는 고주파전력증폭장치
US7920029B2 (en) Power amplifier
CA2257887A1 (fr) Circuit de polarisation pour amplificateur de puissance
US6631254B1 (en) Apparatus for producing a radio-frequency signal
EP1211801A3 (fr) Emetteur utilisant une boucle polaire
EP0954096A3 (fr) Circuit de commande de niveau automatique pour dispositif de transmission
US8149908B2 (en) Method and device for controlling peak power and pulse width of a broadband gaussian pulse high-power RF transmitter
EP2405277A3 (fr) Systèmes et procédés de transmission de puissance RF, modulation et amplification
US6104239A (en) Method for correcting frequency-varying nonlinear errors and digital correction circuit implementing same
WO2000048309A3 (fr) Systeme de traitement de signaux
EP0818880A2 (fr) Circuit commande de gain pour amplificateur de puissance linéaire
ATE382982T1 (de) Eine integrierte schaltung mit selbstpolarisierendem hf-signalanschluss
EP1271769A3 (fr) Un émetteur
EP1052823A3 (fr) Linéarisation d'amplification pour signaux modulés en phase et en amplitude
KR100819307B1 (ko) 델타-시그마 변조된 신호를 사용하는 전력 증폭기의 입력정합 장치 및 방법
KR20060022698A (ko) 카테시안 루프 송신기 및 이러한 송신기의 출력레벨을조정하는 방법
EP1065785A3 (fr) Circuit de transmission et dispositif de transmission radio
CN208723878U (zh) 射频识别发射功率控制电路

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17P Request for examination filed

Effective date: 20031208

17Q First examination report despatched

Effective date: 20040319

AKX Designation fees paid

Designated state(s): DE FR GB IT

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20061003